
This sticky is for announcements of pertinent scientific events, such as conferences, seminars, or public talks. This...

Aug2014 11:17 AM
marcus

68 
66,842 
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Jul1412 08:32 AM
ZapperZ

1 
26,655 
I'm beginning a research on the different approaches to QG (or also
calssical QM) where the attempt to introduce the...

Feb509 09:36 PM
exponent137

4 
3,447 
Petr Horava attempts to start at this paper a small quantum gravity theory, like Loop Quantum Gravity, except that he,...

Feb509 03:35 AM
MTd2

8 
9,332 
I've been looking for (free) papers (probably 100+ pages) that are introductions to elevendimensional supergravity....

Feb409 03:16 PM
xepma

1 
1,742 
This is driving me nuts. Hope someone can explain this to me.
To classify conformally inequivalent tori, one...

Feb409 03:03 PM
xepma

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1,314 
hi,
Do the addition of nonlinear terms in action play any significant role in string theory??
if so, what is its...

Feb409 11:43 AM
anuradha

3 
1,357 
Hi folks ! I have always felt that string theory can be generalized somewhat further via the inclusion of knotted...

Feb209 11:24 PM
Alwi

0 
1,458 
Maybe someone could inform me a little on what I'm talking about, because, honestly, I have no idea. If 11...

Feb209 03:24 PM
Coin

2 
1,160 
I have a theory about fast variable G, (a few approaches) but almost no comments on this.
...

Feb109 08:09 PM
exponent137

0 
1,084 
In a video I watched, which I can't find now, Leonard Susskind briefly mentions something about scientists recently...

Jan3109 09:15 PM
atyy

1 
1,598 
Is the number of lepton generations in string theory restricted to 3? Or is this "landscape dependent"?
I don't...

Jan3009 08:29 PM
JustinLevy

6 
1,624 
Questions: Where can I obtain the most advanced published papers regarding valid unification theories? If there are...

Jan3009 04:11 PM
Potential

3 
1,329 
Anyon are particular 2 dimensionsional objects and so is the worldsheet critical superstrings. But given that those 2...

Jan3009 10:29 AM
xepma

3 
1,362 
In Szabo's book on string theory he calculates the vacuum to vacuum one loop (genus one)
diagram.
The...

Jan2809 08:45 PM
nrqed

2 
1,254 
ABSTRACT
Parity no conservation in the decay processes is considered as fundamental property of weak...

Jan2809 12:11 PM
Stanislav

0 
1,137 
I am wondering if string theory says anything about how only some vibrational patterns lead to mass while a few don't,...

Jan2809 10:42 AM
Naty1

0 
1,249 
Why do strings only have one dimension (or maybe branes have 2 dimensions)? Why aren't oscillating volumes (like a...

Jan2709 03:14 PM
Coin

9 
1,929 
Does anyone know if MTheory is that same as Superstring Field Theory?

Jan2609 08:15 PM
Coin

3 
1,454 
I don't have much of a math/physics background, undergraduate physics and calculus is where I stopped... yet I find...

Jan2609 07:27 PM
bockerse

136 
29,536 
Is there not an inherent paradox in AmelinoCamelia’s DSR (Doubly special relativity)?
Every solid piece of matter...

Jan2609 07:02 PM
jambaugh

3 
1,025 
In a recent lecture on String Theory, we encountered the divergent sum 1+2+3+.... when calculating the zero mode...

Jan2609 03:17 AM
Thomas Larsson

2 
2,602 
http://streamer.perimeterinstitute.ca:81/mediasite/viewer/FrontEnd/Front.aspx?&shouldResize=False
scroll down the...

Jan2409 11:47 AM
Core2duo

126 
12,490 
In a recent lecture on bosonic String Theory, we encountered the divergent Sum 1+2+3+... when calculating the zero...

Jan2409 05:54 AM
Orbb

0 
2,336 
In a recent lecture on bosonic string theory, we calculated the Virasoro operators, especially the zero mode,...

Jan2409 05:50 AM
Orbb

0 
1,910 
http://sciencewatch.com/dr/erf/maps/08decerfBaggETRFM/#156486489
This is an interesting development in String/M,...

Jan2309 12:48 AM
marcus

1 
2,030 
Why we are searching quantum gravity effect at the planck scale?
The question seems very stupid (and may be) but let...

Jan2209 06:58 AM
luxxio

3 
1,694 
http://arxiv.org/abs/0901.2984
Asymptotic safety in higherderivative gravity
Dario Benedetti, Pedro F. Machado,...

Jan2009 11:51 PM
marcus

1 
2,097 
Ok, I doubt this belongs in this forum since it's purely speculative, but I was curious what work has been done in the...

Jan2009 11:48 AM
Jim Kata

3 
1,332 
I've read a lot of arguments in support of LQG over string theory, mainly focusing on ST's lack of background...

Jan1909 04:11 PM
marcus

24 
3,305 
How i can see the right lorentz invariance in lqg?

Jan1909 10:22 AM
humanino

15 
2,477 
I was just wondering what string theory says, if anything, about mass energy equivalence...anyone have any...

Jan1809 06:41 PM
Orbb

2 
1,369 
First let me express my ignorance about this subject so please forgive me if these questions have wellknown answers....

Jan1809 02:26 PM
atyy

3 
1,087 
At the end of David Gross' UC Berkeley public lecture on string theory he mentions that emergent spacetime may play an...

Jan1709 09:20 AM
atyy

1 
1,256 
Can anyone point me in the direction of a paper, website, etc. which essentially discusses the current state of theory...

Jan1709 12:53 AM
daschaich

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1,456 
http://www.edge.org/3rd_culture/wilczek09/wilczek09_index.html
Like his book, Lightness of Being, the interview is...

Jan1609 10:14 PM
marcus

0 
1,695 
I'm having a bit of trouble understanding a past exam paper that i'm revising for where it asks.
How the the...

Jan1609 08:41 PM
pazmush

0 
1,331 
Cambridge press says available as of around 1 March, so in a couple of months.
Samples are available of page proofs...

Jan1609 01:24 PM
exponent137

1 
1,536 
I was wondering if my understanding of string theory was right and if not could someone please correct me.
1.)Is...

Jan1509 10:02 PM
humanino

4 
1,963 
Topological Strings = 3
Superstrings = 10
Bosonic strings 26
Tensionless strings = arbitrary
Do you know of any...

Jan1409 09:28 AM
Demystifier

17 
1,993 
My question is simple and straight forward  how does a 1dimensional string "convert" to a zerodimensional point...

Jan1209 04:36 PM
derek.basler

3 
2,078 
As suggested by Marcus, I have read the whole paper and decided to start a discussion of Kober's paper by asking a few...

Jan1209 02:15 PM
Blackforest

5 
1,860 